For a steady condition with constant properties and for one dimensional 2² T 1 ƏT the general form of the heat diffusion equation is + = əx² k a at O yes No O 1.4.

Q: Suppose one side of a bimetallic strip has a coefficient of thermal expansion (oa.) of 7 x 10-7 K-1.…

A: Consider a bimetallic strip having different thermal expansion coefficients of both sides. When the…

Q: Q4) Write the relation between melting point temperature of ice with pressure? At 1 Atm, water melts…

A: Melting point is the temperature required for the solid to change its phase from solid to liquid.…

Q: A food product with 80% moisture content in a 5 cm diameter can wants to be frozen. The density of…

A: The system is a lumped parameter model as Biot number is <0.1 The lumped parameter model for…

Q: For a stream of water (at 32 °C) flowing over a plate at a constant surface temperature of (90 °C)…

A: Given:  T∞ = Twater = 32 oC            Thermal conductivity of water at 32 oC = 0.6 W/m.k…

Q: explain the relation between thermal diffusivity and thermal conductivity. And why do we have two…

A: Thermal conductivity is defined as the ability of a material to conduct heat. It is the heat…

Q: 4B. A fluid is streaming over a flat surface maintained at a different temperature. Measurements of…

A: The correct answer is to be identified.

Q: Simply observe the temperature changes in the cold environment of equal weight of water in two…

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Q: Derive an expression for the heat exchange between two black bodies

A: Consider two black radiating bodies of area A1 and A2 . Heat exchange between two elementary areas…

Q: A food product with 73% moisture content in a 7 cm diameter can wants to be frozen. The density of…

A: Given that: Thickness of the food product, a= 7 cm = 0.07 m ( since 1 cm = 0.01 m) Freezing…

Q: A-10cm spherical metal ball maintained at temperature of x °C is immersed in a water bath at…

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Q: Problem 1: Find the equilibrium temperature attained by a porous surface soaked in Benzene. Assume…

A: Given :The pressure The temperature The emissivity of the porous surface Latent heat of…

Q: 1. _Give the Dimensional Analysis to explain the three cadres of the Mass Transfer and their…

A: Dimensional analysis in mass transfer  Mass transfer stands for the net movement of mass from one…

Q: 63. Consider two blocks of nickel, treated as semi-infinite solids. Initially, one block is at 0 C…

A: Given : Thermal diffusivity of nickel Initial temperature of left block Initial temperature of right…

Q: The heat transfer coefficient, h, captures both heat conduction and flow effects. Thus, in the case…

A: Given data: We have a heated sphere at Ts in a large, motionless fluid at temperature T1 far from…

Q: 1. Short essay question (<200 words, please type neatly): For convectional heat transfer of fluid…

A: The Reynolds number (Re) and plate length are critical in convectional heat transfer for a fluid…

Q: Liquid air is stored at 120 K in the space between two concentric spheres of diameters 0.21 m and…

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Q: 6.3 In a particular application involving airflow over a sur- face, the boundary layer temperature…

A: All answers are attached below; please check. Explanation:Step 1:Step 2:Step 3:Step 4:Please rate my…

Q: The expansion of a closed system occurs at a constant pressure, there is no change in their kinetic…

A:

Q: Q.3) Assume a tank of steel used to store Hydrogen sulphide, explain briefly with chemical formula…

A: Hydrogen sulphide  Hydrogen sulphide is a corrosive material that attacks metals forming sulphides.…

Q: b) Three plates having thermal conductivities k2 <k1 <k3 have excellent contact between each other…

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Q: A copper pipe, 3 cm in outer diameter and 1.5 cm in inner diameter, carries R-22 refrigerant at a…

A: Given data: Inner diameter of pipe = 1.5 cm Outer diameter of pipe = 3 cm Temperature of refrigerant…

Q: A space satellite in the shape of a sphere is traveling in outer space, where its surface…

A:

Q: Given the following values for 1-antitrypsin, is it likely to spontaneously adhere to the surface of…

A: Enthalpy (H): It represents the overall energy of a thermodynamic system. It contains the internal…

Q: A 16-m x 8.5-m section of wall of an industrial furnace burning natural gas is not insulated. outer…

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Q: 17. Prove that : the mass transfer flux can be calculated from NA=N X4+ JA

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Q: Q.3 (B) Fig. below shows a steam heater where the process fluid is heated with the help of steam.…

A: Process fluid is heated with the help of the steam in heater. Steam is coming out as a condensate,…

Q: For a certain experiment, Freon-12 vapor is contained in a special glass tube at 30 C. It is desired…

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Q: Q4) Consider a 20-cm-thick large concrete plane wall (k = 27°C and h1 = 5 W/m². 12 W/m² °C on the…

A: Given Data The thickness of concrete = 20 cm = 0.2 m Thermal Conductivity of concrete (k) = 0.77…

Q: The thermal conductivity is directly proportional to the density of the gas. O No O yes

A: Thermal conductivity is a fabric property. It will no longer range with the dimensions of a…

Q: For heat transfer, We have thermal diffusivity and thermal conductivity. But For mass transfer, We…

A: Thermal conductivity is defined as the ability of a material to conduct heat. It is the heat…

Q: 6. Consider a person whose exposed surface area is 1.9 m², emissivity is 0.85, and surface…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: A spherical tank of outer diameter Do = 1.5 m fabricated with t= 9.5 mm thick aluminum (kal = %3D…

A: Given that, Outer diameter Do = 1.5 m Outer radius ro = Do2 = 1.52 = 0.75 m Thickness t = 9.5 mm =…

Q: 3. The region inside the inversion curve has and the region outside the inversion curve has…

A: joule thompson coefficient =(∂T∂P)H=μj   joule thompson coefficient(μj) is just the slope in T and P…

Q: Q.5: Water is to be cooled in a packed tower from 330 to 295 K by means of air flowing…

A: Given data: Water is cooled from 330 to 295K Liquid flows at a rate of 275cm3/m2s and air at…

Q: The expansion of a hypothetical closed system takes place at a constant pressure with no change in…

A: We know that, Enthalpy: (H) is the sum of the internal energy(U) and the product of pressure(P) and…

Q: Convert a thermal conductivity of BTU 0.03- to s. K.m °hr. °F.ft Given: 0.03- BTU hr.F.ft Required:…

A: ⇒1 btu=1055.056 J⇒1 hr=3600 sec⇒∆°F=∆K⇒1 ft=0.305 m⇒thermal conductivity, K=𝓠.∆xA.∆T

Q: The energy content of different foods can be determined by combusting samples in a calorimeter. The…

A: For snack X: Mass of snack X, mX = 0.20 g Mass of water, mwater = 200 g Change in temperature, ∆TX =…

Q: A food product with 73% moisture content in a 10 cm diameter can wants to be frozen. The density of…

A: Given that, Moisture content = 73% Diameter d = 10 cm = 0.1 m Density of the product ρ = 970 kg/m3…